Sonnie is a distinctive boys' name in England & Wales, ranking #852 in 2011 with 34 recorded births. The name reached its all-time peak in 2009 with 42 births ranking #711. Since 1996, the popularity has increased by 240.0%. In 2011, approximately 1 in every 10,172 boys born was named Sonnie. FALLING Recent data shows the name is currently falling.